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发明名称
Electronic assistant system for music lesson and musical instrument equipped with the same
摘要
申请公布号
EP2015289(B1)
申请公布日期
2012.04.11
申请号
EP20080008266
申请日期
2008.04.30
申请人
YAMAHA CORPORATION
发明人
FUJIWARA, YUJI;SASAKI, TSUTOMU
分类号
G10H1/34;G10C3/20
主分类号
G10H1/34
代理机构
代理人
主权项
地址
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